Char chunking refactored

[davidducos]

No description provided.

[Dansthunder]

Reading symbols from /usr/src/scripts/mydumper/mydumper...
[New LWP 2158]
[New LWP 2159]
[New LWP 2148]
[New LWP 2153]
[New LWP 2156]
[New LWP 2149]
[New LWP 2152]
[New LWP 2157]
[New LWP 2154]
[New LWP 2150]
[New LWP 2151]
[New LWP 2155]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/src/scripts/mydumper/mydumper --database=amx --host=localhost --user=root'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 process_char_chunk (td=0x1234fa0, tj=0x7f86bc004cf0) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:1015
1015 g_mutex_lock(dbt->chunks_mutex);
[Current thread is 1 (Thread 0x7f86b67fc640 (LWP 2158))]
(gdb) bt
#0 process_char_chunk (td=0x1234fa0, tj=0x7f86bc004cf0) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:1015
#1 0x00000000004145db in thd_JOB_DUMP (td=0x1234fa0, job=0x7f86bc004830) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:538
#2 0x0000000000414745 in process_job (td=, job=0x7f86bc004830) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:856
#3 0x0000000000415e1c in process_queue (f=, p=0x414710 <process_job>, resume_mutex=, td=0x1234fa0, queue=0x124fcd0) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:916
#4 working_thread (td=0x1234fa0) at /usr/src/scripts/mydumper/src/mydumper_working_thread.c:1095
#5 0x00007f86c87d3d72 in g_thread_proxy (data=0x7f86c0003aa0) at ../glib/gthread.c:826
#6 0x00007f86c80226c2 in start_thread (arg=) at pthread_create.c:443
#7 0x00007f86c7fc23f0 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

core-mydumper.2148.rhel9-x86.va.test.box.1667320766.gz

Fresh grab from git.